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Finding the Fourth Proportional to 108,253.62, 149,387.42 and 60,511.42

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Solution

The fourth proportional to 108,253.62, 149,387.42 and 60,511.42 is: 83,504.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,253.62 : 149,387.42 = 60,511.42 : x
  2. Step 2: Convert to fraction form
    108,253.62/149,387.42 = 60,511.42/x
  3. Step 3: Cross multiply
    108,253.62x = 149,387.42 × 60,511.42
  4. Step 4: Simplify right side
    108,253.62x = 9,039,644,914.34
  5. Step 5: Solve for x
    x = 9,039,644,914.34/108,253.62
  6. Step 6: Final answer
    x = 83,504.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.